[vtkusers] Read and resample large volumes

[Sean Larkin]

I have data that is too large to be read into memory at once.  The data is
in a single .raw file.  I would like to be able to read a portion of this
file, resample the data and then either insert into vtkVolume or add to a
single file.  Basically the idea is to take the volume and resample it and
put it into a single file(the whole resampled volume) by iterating through
the original large .raw file and then render this smaller volume.  And then
be able to return to the smaller volume to resample it or change its
spacing, etc. from a vtkImageReader.  Is there a way to do this using
vtkImageReader?

 

Thanks,

Sean

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